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Stackup is a suite of open-source infrastructure for building user-friendly blockchain products. With Stackup, developers can build custom transaction flows and instantly create smart contract wallets using ERC-4337.

Stackup
Infrastructure for smart blockchain accounts

Stackup is a mobile wallet that makes it easy for beginners to use crypto. With Stackup anyone can buy any crypto token or NFT instantly.

Stackup
A mobile wallet that makes crypto effortless